Lampshade



FIG. 1 is perspective view of the lampshade;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines shown in the drawings form no part of the claimeddesign.

The ornamental design for a lampshade, as shown and described.